CN112026186B - Production equipment and production method of plane mask - Google Patents
Production equipment and production method of plane mask Download PDFInfo
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- CN112026186B CN112026186B CN202010856720.3A CN202010856720A CN112026186B CN 112026186 B CN112026186 B CN 112026186B CN 202010856720 A CN202010856720 A CN 202010856720A CN 112026186 B CN112026186 B CN 112026186B
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- 238000010924 continuous production Methods 0.000 claims description 2
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4807—Headwear
- B29L2031/4835—Masks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
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Abstract
The invention discloses a plane mask production device and a production method, wherein the plane mask production device comprises a frame, a mask coil material feeding device, a preorder processing device, an ear line welding device, a mask cutting device and a mask base body conveying device; the ear line welding device and the mask cutting device are sequentially arranged on the frame along the conveying direction of the mask base body; the mask base body conveying devices are arranged at two ends of the ear line welding device in the conveying direction of the mask base body and used for drawing the mask base body to move, and each mask base body conveying device comprises a first mask base body conveying device and a second mask base body conveying device; the first mask base body conveying device comprises a first conveying roller group and a first power mechanism, and the second mask base body conveying device comprises a second conveying roller group and a second power mechanism. The production equipment of the plane mask can improve the accuracy and quality of ear line welding, and is easy to expand modules so as to improve the production efficiency.
Description
Technical Field
The invention relates to a plane mask machine, in particular to a plane mask production device and a production method.
Background
The mask is a sanitary article, is generally worn at the mouth and nose part and is used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell, virus and spray from entering and exiting the mouth and nose of a wearer, is mainly made of non-woven fabrics and gauze, has a certain filtering effect on air entering the lung, and has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like.
The existing mask generally adopts mask production equipment to carry out automatic production, the mask production equipment manufactures various masks with certain filtering performance through processes of hot pressing, folding forming, ultrasonic welding, waste material cutting, ear band, nose bridge strip welding and the like on multiple layers of non-woven fabrics, the mask equipment is not a single machine, and the mask equipment needs the matching of multiple machines to complete various different processes. For example, the invention patent application with the application publication number of CN111418942A discloses a one-to-two full-automatic flat mask machine, which comprises a feeding system, a folding and forming system, a full-automatic feeding system, an ear belt welding system, a discharging system and a supporting seat. The ear belt welding system and the discharge system are respectively provided with two groups, the full-automatic feeding system divided into two parts is used for feeding materials respectively, the ear belt welding system comprises a clamping jaw adjusting mechanism, the clamping angle of the clamping jaw adjusting mechanism can be adjusted, and the discharge system is arranged at the end part of the ear belt welding system and used for outputting the mask. Two ear area welding systems of full-automatic one drag two gauze mask machines drag at the rear of a gauze mask cloth cover production machine, when realizing high efficiency production, set up two ear area welding systems again into with the adjustable weld structure of distance between the ear area welding point of one side. The mask machine can adapt to masks with different sizes and specifications, ear bands with different requirements are welded, and the application range of the mask machine is widened.
However, the one-driving-two full-automatic plane mask machine has the following defects:
(1) when the one-to-two full-automatic plane mask machine is used for processing a plane mask, the mask base body needs to be cut into independent mask bodies, and then the mask bodies are conveyed to the two sets of mask welding devices through the one-to-two full-automatic feeding system to be subjected to ear line welding. In this in-process, because the gauze mask base member cuts into independent gauze mask body after, this gauze mask body more or less can take place to warp the shrink to the position that leads to this gauze mask body takes place the skew, consequently position error appears easily, thereby ear wire welding precision and welding quality (appear the rosin joint) when influence ear wire welding set when with ear wire welding on the gauze mask body.
(2) Because the production efficiency of the mask cutting device (namely, the mask base body is cut into the mask body) is higher than the production efficiency of the ear line welding module in the mask production process, the one-to-two full-automatic plane mask machine conveys the cut mask body to two groups of ear line welding modules through a one-to-two full-automatic feeding system for respectively carrying out ear line welding so as to balance the production beats of the two processes of ear line welding and mask cutting, which has problems in that the combined size of the cut part of the mask body and the welded part of the mask ear line is large, and further improvement of the production efficiency is desired, therefore, when the ear wire welding modules are added, a set of full-automatic feeding system needs to be arranged independently to be matched with each set of ear wire welding module, the size of the plane mask machine is further increased, and the manufacturing cost is also high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the plane mask production equipment which can improve the accuracy and quality of ear line welding and is easy to expand modules so as to improve the production efficiency.
Another object of the present invention is to provide a method for producing a flat mask.
The technical scheme for solving the technical problems is as follows:
a plane mask production device comprises a frame, a mask coil feeding device, a pre-order processing device, an ear line welding device, a mask cutting device and a mask base body conveying device, wherein the mask coil feeding device is arranged on the frame and used for storing cloth for manufacturing a plane mask; the preorder processing device is used for manufacturing the mask base body from the cloth emitted by the mask coil feeding device; the ear wire welding device is used for welding the ear wire on the mask base body; the mask cutting device is used for cutting the mask base body which is welded with the ear lines into an independent plane mask; the mask base body conveying device is used for drawing the cloth of the mask coil feeding device to move to each processing device; wherein,
the preorder processing device comprises a nose bridge line inserting device and a cloth composite device, wherein the nose bridge line inserting device is used for inserting a nose bridge line; the cloth compounding device is used for compounding the cloth in the mask roll material feeding device;
the ear line welding device and the mask cutting device are sequentially arranged on the frame along the conveying direction of the mask base body; mask base member conveyor sets up on the direction of delivery of mask base member ear line welding set's both ends for pull the motion of mask base member, this mask base member conveyor is including the first mask base member conveyor who is located ear line welding set front end and the second mask base member conveyor who is located ear line welding set rear end, wherein, first mask base member conveyor includes the first power unit that first transport roller train and the first transport roller train of drive moved, second mask base member conveyor includes the second and carries the second power unit that roller train and the second transport roller train of drive moved.
Preferably, ear wire welding set is the multiunit, and multiunit ear wire welding set along the direction of delivery of gauze mask base member is arranged in proper order in the frame, and every ear wire welding set of group includes ear wire material loading module and is used for welding the ear wire welding module on the gauze mask base member with the ear wire that ear wire material loading module carried and come.
Preferably, the ear wire feeding module comprises an ear wire conveying module arranged on the frame, an ear wire clamping and carrying module used for clamping and transferring the ear wires conveyed by the ear wire conveying module to welding points of the mask base body, and an ear wire shearing module used for shearing the ear wires,
the ear wire conveying module is arranged above the mask base body, is used for driving ear wires to move along a conveying direction vertical to the mask base body, and comprises a clamping seat, a first clamping mechanism arranged on the clamping seat and a clamping conveying mechanism used for driving the clamping seat to move;
the ear wire clamping and carrying module comprises a support, two second clamping mechanisms arranged on the support, a vertical driving mechanism used for driving the second clamping mechanisms to vertically move and a rotary driving mechanism used for driving the second clamping mechanisms to rotate, wherein the number of the second clamping mechanisms is two, the two groups of the second clamping mechanisms are respectively and sequentially arranged on the support along the conveying direction perpendicular to the mask base body, the number of the second clamping mechanisms in each group is two, and the two second clamping mechanisms are respectively and sequentially arranged on the support along the conveying direction of the mask base body; the rotary driving mechanism is used for driving the two second clamping mechanisms in the same group to synchronously and reversely rotate, and the rotating directions of the two second clamping mechanisms in the two groups of second clamping mechanisms for clamping the same ear line are opposite; the vertical driving mechanism is used for driving the second clamping mechanism to move so as to place the ear wire at the position of a welding point in the mask base body;
the ear wire shearing device is used for shearing the ear wire after the second clamping mechanism in the ear wire clamping and conveying device clamps the ear wire.
Preferably, the two groups of lug wire welding modules are arranged at the upstream position and the downstream position of the lug wire feeding module respectively, and each group of lug wire welding modules comprises an ultrasonic welding head arranged at the lower end of the mask base body, a movable die arranged above the mask base body and a movable die driving mechanism for driving the movable die to move vertically so as to press the two end parts of the lug wires at the ultrasonic welding head to realize lug wire welding; when two second clamping mechanisms in two sets of second clamping mechanisms for clamping the same ear wire synchronously rotate to send two end parts of the ear wire to the lower part of the movable die, the movable die driving mechanism drives the movable die to move to weld the ear wire on the mask base body.
Preferably, the two groups of movable dies are respectively arranged on two sides of the ultrasonic welding head and are respectively driven by two groups of movable die driving mechanisms; the movable die driving mechanism comprises a support frame, a movable die driving cylinder arranged on the support frame and a vertical guide mechanism used for guiding the vertical movement of the movable die, wherein the support frame is arranged on the rack, and a telescopic rod of the movable die driving cylinder is connected with the movable die; the two groups of vertical guide mechanisms are respectively arranged on two sides of the movable die driving cylinder and are composed of guide rods and guide sleeves.
Preferably, the second clamping mechanisms are connected to the support through rotating shafts, the rotary driving mechanisms comprise gears arranged on the rotating shafts, racks meshed with the gears and linear driving mechanisms used for driving the racks to move along the direction perpendicular to the conveying direction of the mask base body, the number of the racks is two, straight teeth matched with the gears are arranged on two sides of each group of the racks, and the straight teeth on two sides of each group of the racks are respectively meshed with the gears in the two second clamping mechanisms in the same group; the linear driving mechanism is used for driving the two groups of racks to synchronously move oppositely and reversely.
Preferably, the linear driving mechanism comprises a motor and a screw rod transmission mechanism, wherein the motor is mounted on the support, a main shaft of the motor is connected with a screw rod in the screw rod transmission mechanism, the length direction of the screw rod in the screw rod transmission mechanism is perpendicular to the conveying direction of the mask base body, two groups of screw rod nuts in the screw rod transmission mechanism are respectively connected with two groups of racks, and the screw directions of screw holes in the two groups of screw rod nuts are opposite.
Preferably, the brackets in the lug wire feeding modules of the multiple groups of lug wire welding devices are connected through a connecting frame, and the vertical driving mechanism is used for driving the connecting frame to vertically move; the vertical driving mechanism is driven by a cylinder or a driving mode of combining a motor and a screw rod transmission mechanism; the vertical driving mechanism also comprises a plurality of groups of vertical guide mechanisms, wherein the plurality of groups of vertical guide mechanisms are respectively arranged at four opposite corners of the connecting frame and are used for guiding the vertical movement of the connecting frame; each group of vertical guide mechanisms adopts a mode of combining a guide rod and a guide sleeve.
Preferably, the first clamping mechanism comprises a first clamping jaw and a first clamping cylinder for driving the first clamping jaw to move; the clamping and conveying mechanism comprises a clamping and conveying cylinder, the clamping and conveying cylinder is mounted on the rack, and a telescopic rod of the clamping and conveying cylinder is connected with the clamping seat; the clamping and conveying mechanism further comprises two groups of guide mechanisms for guiding the movement of the clamping seat, the two groups of guide mechanisms are respectively arranged on two sides of the clamping and conveying cylinder, each group of guide mechanisms comprises a guide rod arranged on the rack and a guide sleeve or a guide hole arranged on the clamping seat, and the length direction of the guide rod is the same as the movement direction of a telescopic rod of the clamping and conveying cylinder; the guide rod is matched with the guide sleeve or the guide hole; the tail end of the guide rod is provided with a limiting block, and the size of the limiting block is larger than the aperture of the guide sleeve or the guide hole.
Preferably, the ear line cutting module comprises an ear line cutting mechanism and an ear line pressing mechanism used for pressing the cut ear line to facilitate cutting of the ear line cutting mechanism, wherein the ear line pressing mechanism comprises a pressing seat, a pressing block arranged on the pressing seat and a pressing cylinder used for driving the pressing block to move vertically, a groove matched with the pressing block is arranged at a position corresponding to the pressing block on the pressing seat, stepped surfaces are formed at two ends of the groove, and the ear line penetrates through the upper part of the stepped surfaces; the pressing cylinder drives the pressing block to move downwards to press the ear wire to be pressed on the stepped surface.
A production method of a plane mask comprises the following steps:
(1) the mask roll feeding device conveys cloth for manufacturing the mask forwards, the cloth for manufacturing the mask moves to a mask preorder processing station under the traction of a first mask base body conveying device and a second mask base body conveying device in the mask base body conveying device, and the preorder processing device processes the cloth to manufacture a mask base body;
(2) the first mask base body conveying device and the second mask base body conveying device in the mask base body conveying device continuously pull the manufactured mask base body to move to the ear line welding station, the first mask base body conveying device and the second mask base body conveying device which are positioned on the front side and the rear side of the ear line welding device enable the mask base body positioned between the first mask base body conveying device and the second mask base body conveying device in the mask base body to be in a tightened state, and the tightening degree of each position is the same; then, the ear wire welding device welds the ear wire on the mask base body;
(3) after the ear line welding is finished, the second mask base body conveying device pulls the mask base body which is subjected to the ear line welding to move to the mask cutting station, and the mask cutting device cuts the mask base body into an independent plane mask;
(4) and (4) repeating the steps (1) to (3) to realize the continuous production of the plane mask.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the plane mask production equipment, the ear line welding is firstly carried out on the mask base body, then the mask base body which is subjected to the ear line welding is cut into the independent masks, and the mask base body is integrated during the ear line welding, so that the defects existing in the traditional production mode of the plane mask can be avoided, the position precision during the welding is greatly improved, the phenomenon of false welding cannot occur, and the product quality and the yield are higher.
2. According to the plane mask production equipment, the mask base body conveying devices are arranged at the two ends of the ear line welding device, so that the mask base bodies positioned between the two sets of mask base body conveying devices are in the same tightening state, and therefore when the ear lines at all positions are welded, the mask base bodies are in the same tightening state, the welding precision of the ear lines is improved, the welding precision among all masks can be guaranteed to be consistent, and the product quality consistency is better.
3. The plane mask production equipment adopts a mode of firstly welding the ear lines and then cutting the ear lines into masks, so that the plane mask production equipment can better match the welding speed of the ear lines with the cutting speed of the masks through expanding the number of the ear line welding devices on the conveying line of the mask base body, thereby improving the production efficiency of the plane masks.
4. The flat mask production equipment has the advantages of high ear line welding speed, high precision and easy expansion, namely the number of the ear line welding devices is increased in the flat mask production equipment, and other auxiliary conveying devices (such as a full-automatic conveying system in the background technology) are not required to be additionally increased, so that the production efficiency of the flat mask production equipment is improved, and the manufacturing cost of the flat mask production equipment is reduced.
Drawings
Fig. 1 and 2 are schematic structural views of a flat mask production apparatus according to the present invention (a nose bridge line removing insertion device and a mask roll feeding device), wherein fig. 1 is a schematic perspective structural view, and fig. 2 is a side view.
Fig. 3 is a schematic perspective view (partial) of the ear wire welding device.
Fig. 4-5 are schematic perspective views of two different viewing angles of the ear line conveying module.
Fig. 6 is a schematic perspective view of the first clamping mechanism.
Fig. 7-9 are three perspective views of the ear wire clamping and transporting module.
Fig. 10-11 are schematic perspective views of the ear line cutting module from two different viewing angles.
Fig. 12 is a schematic perspective view of the ear wire welding module.
Fig. 13 is a schematic view of the structure of the flat mask manufacturing apparatus of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1 to 13, the flat mask production equipment of the present invention comprises a frame 1, a mask roll feeding device 8 disposed on the frame 1, a pre-order processing device, an ear line welding device 10, a mask cutting device 7, and a mask base body conveying device 6, wherein the mask roll feeding device 8 is used for storing cloth for manufacturing a flat mask; the preorder processing device is used for manufacturing the mask base body from the cloth emitted by the mask coil feeding device 8; the ear wire welding device 10 is used for welding an ear wire on the mask base body; the mask cutting device 7 is used for cutting the mask base body which is welded with the ear lines into an independent plane mask; the mask base body conveying device 6 is used for drawing the cloth of the mask coil feeding device 8 to move to each processing device; the nose bridge line inserting device can also be implemented by referring to the existing nose bridge line inserting device in the market, and the setting position is flexibly selected according to the actual situation; the cloth compounding device is used for compounding the cloth in the mask coil feeding device 8 and can be implemented by referring to the existing ultrasonic compounding equipment on the market. In addition, the mask roll feeding device 8 in this embodiment can be implemented by referring to the roll winding device of the existing mask production equipment on the market.
Referring to fig. 1 to 13, the ear line welding device 10 and the mask cutting device 7 are sequentially disposed on the frame 1 along the conveying direction of the mask base body; the mask base body conveying device 6 is arranged at two ends of the ear line welding device 10 in the conveying direction of the mask base body and used for drawing the mask base body to move, the mask base body conveying device 6 comprises a first mask base body conveying device located at the front end of the ear line welding device 10 and a second mask base body conveying device located at the rear end of the ear line welding device 10, the first mask base body conveying device comprises a first conveying roller set and a first power mechanism for driving the first conveying roller set to move, and the second mask base body conveying device comprises a second conveying roller set and a second power mechanism for driving the second conveying roller set to move; ear wire welding set 10 is the multiunit, and multiunit ear wire welding set 10 along the direction of delivery of gauze mask base member is arranged in proper order in frame 1, and every ear wire welding set 10 of group includes ear wire feeding module and is used for welding the ear wire welding module 5 on the gauze mask base member with the ear wire that ear wire feeding module carried and come.
Referring to fig. 1 to 13, the ear wire feeding module includes an ear wire conveying module 2 disposed on the frame 1, an ear wire clamping and transporting module 3 for clamping and transferring the ear wire conveyed by the ear wire conveying module 2 to a welding point of the mask base body, and an ear wire cutting module 4 for cutting the ear wire.
Referring to fig. 1-13, the ear line conveying module 2 is arranged above the mask base body, and is used for driving an ear line to move along a conveying direction perpendicular to the mask base body, and includes a clamping seat 2-1, a first clamping mechanism arranged on the clamping seat 2-1, and a clamping conveying mechanism for driving the clamping seat 2-1 to move, where the first clamping mechanism includes a first clamping jaw 2-2 and a first clamping cylinder 2-3 for driving the first clamping jaw 2-2 to move; the clamping and conveying mechanism comprises a clamping and conveying cylinder 2-4, the clamping and conveying cylinder 2-4 is installed on the rack 1, and a telescopic rod of the clamping and conveying cylinder 2-4 is connected with the clamping seat 2-1; the clamping and conveying mechanism further comprises two groups of guide mechanisms 2-5 for guiding the movement of the clamping seat 2-1, the two groups of guide mechanisms 2-5 are arranged on two sides of the clamping and conveying cylinder 2-3, each group of guide mechanisms 2-5 comprises a guide rod arranged on the rack 1 and a guide sleeve or a guide hole arranged on the clamping seat 2-1, and the length direction of the guide rod is the same as the movement direction of the telescopic rod of the clamping and conveying cylinder 2-4; the guide rod is matched with the guide sleeve or the guide hole; the tail end of the guide rod is provided with a limiting block, and the size of the limiting block is larger than the aperture of the guide sleeve or the guide hole and is used for preventing the clamping seat 2-1 from being separated from the guide rod.
Through the arrangement, the clamping and conveying cylinder 2-4 drives the clamping seat 2-1 and the first clamping mechanism arranged on the clamping seat 2-1 to move to the wire taking station, and the first clamping cylinder 2-3 in the first clamping mechanism drives the first clamping jaw 2-2 to close, so that the ear wire is clamped. Then, the clamping and conveying cylinder 2-4 drives the clamping seat 2-1 and the first clamping mechanism arranged on the clamping seat 2-1 to return to the initial position, so that the ear line is driven to pass through the upper part of the mask base body along the conveying direction perpendicular to the mask base body, and the ear line is driven to pass through the second clamping jaws 3-2 of the two second clamping mechanisms positioned on the same side in the two groups of second clamping mechanisms. Subsequently, the second clamping mechanism clamps the ear wire, the first clamping mechanism loosens the ear wire, and meanwhile, the ear wire cutting module 4 cuts the ear wire at the material taking station, so that the ear wire is transferred to the ear wire clamping and carrying module 3.
Referring to fig. 1 to 13, the ear wire clamping and transporting module 3 includes a support 3-1, two second clamping mechanisms disposed on the support 3-1, a vertical driving mechanism 9 for driving the second clamping mechanisms to vertically move, and a rotary driving mechanism for driving the second clamping mechanisms to rotate, where the two groups of second clamping mechanisms are respectively disposed on the support 3-1 in sequence along a direction perpendicular to a conveying direction of the mask base, the two groups of second clamping mechanisms are respectively disposed on the support 3-1 in sequence, each group of second clamping mechanisms is two, and the two second clamping mechanisms are respectively disposed on the support 3-1 in sequence along the conveying direction of the mask base; the rotary driving mechanism is used for driving the two second clamping mechanisms in the same group to synchronously rotate and the rotating directions of the two second clamping mechanisms are opposite; the vertical driving mechanism 9 is used for driving the second clamping mechanism to move so as to place the ear wire at the position of a welding point in the mask base body;
the second clamping mechanism comprises a second clamping jaw 3-2 and a second clamping cylinder 3-3 for driving the second clamping jaw 3-2 to work, wherein the cylinder body of the second clamping cylinder 3-3 is rotatably connected to the support 3-1 through a rotating shaft.
The rotary driving mechanism comprises gears 3-6 arranged on the rotating shaft, racks 3-7 meshed with the gears 3-6 and a linear driving mechanism used for driving the racks 3-7 to move along the direction perpendicular to the conveying direction of the mask base body, wherein the racks 3-7 are divided into two groups, straight teeth matched with the gears 3-6 are arranged on two sides of each group of racks 3-7, and the straight teeth on two sides of each group of racks 3-7 are respectively meshed with the gears 3-6 in the two second clamping mechanisms in the same group; the linear driving mechanism is used for driving two groups of racks 3-7 to do relative motion and reverse motion and comprises a motor 3-4 and a screw rod transmission mechanism 3-5, wherein the motor 3-4 is installed on a support 3-1, a main shaft of the motor 3-4 is connected with a screw rod in the screw rod transmission mechanism 3-5, the length direction of the screw rod in the screw rod transmission mechanism 3-5 is perpendicular to the conveying direction of the mask base body, two groups of screw rod nuts in the screw rod transmission mechanism 3-5 are respectively connected with the two groups of racks 3-7, and the spiral directions of threaded holes in the two groups of screw rod nuts are opposite.
Through the arrangement, after the ear wire conveying module 2 transfers the ear wire to the ear wire clamping and carrying module 3, the motor 3-4 drives the screw rod to rotate, so that the screw rod nut and the rack 3-7 arranged on the screw rod nut are driven to linearly move, and the moving direction is perpendicular to the conveying direction of the mask base body; because the screw directions of the threaded holes of the two lead screw nuts are opposite, the two lead screw nuts move relatively or reversely, namely the two groups of racks 3-7 move oppositely or reversely, so that the second clamping mechanisms at the two sides of each group of racks 3-7 can be driven to synchronously rotate reversely, and in this way, the two second clamping mechanisms positioned at the same side in the two groups of second clamping mechanisms drive the two end parts of one lug wire to move to the two welding points positioned at the same side in the mask base body; and the two second clamping mechanisms on the other side drive the two end parts of the other ear line to move to the two welding points on the other side in the mask base body. Finally, vertical actuating mechanism 9 drives two sets of second fixture downstream, the ear wire is loosened to the second fixture to place the ear wire on the gauze mask base member, accomplish the material loading of ear wire. In the structure, the four second clamping mechanisms can be driven to rotate by one motor 3-4, and the rotary driving mechanism is arranged above the mask base body and does not occupy the space on two sides of the guide rail, so that the structure is quite compact, and the volume is greatly reduced. In addition, because the ear wire in the ear wire feeding module stretches across the upper part of the mask base body before welding, the two ends of the ear wire move to the mask body for welding during welding, and the ear wire after welding is positioned within the range of the edge of the mask body, on one hand, the ear wire cannot be involved with a mechanism outside the guide rail in the conveying process, and on the other hand, the position of the ear wire does not need to be arranged in the subsequent mask packaging process. In addition, because ear wire transport module 2 sets up the top of gauze mask base member, this ear wire transport module 2 drives the ear wire certainly the gauze mask base member top is passed, and the direction of motion of ear wire is perpendicular with the direction of motion of gauze mask base member for ear wire transport module 2 does not occupy the too much space in guide rail both sides, because of doing benefit to the reduction volume.
Referring to fig. 1-13, the brackets 3-1 in the ear wire feeding modules of the multiple ear wire welding devices 10 are connected through a connecting frame, the vertical driving mechanism 9 is used for driving the connecting frame to move vertically, and the vertical driving mechanism 9 is driven by a cylinder or a driving mode combining a motor and a screw rod transmission mechanism; in the embodiment, a mode of combining a motor and a screw rod transmission mechanism is adopted; the vertical driving mechanism 9 further comprises a plurality of groups of vertical guiding mechanisms which are respectively arranged at four opposite corners of the connecting frame and used for guiding the vertical movement of the connecting frame; each group of vertical guide mechanisms adopts a mode of combining a guide rod and a guide sleeve. Through the arrangement, the vertical movement of the second clamping mechanism in the multiple groups of lug wire welding devices 10 can be realized through the vertical driving mechanism 9, so that the cost is saved.
The first clamping mechanisms in this embodiment are two groups, and the two groups of first clamping mechanisms are arranged on the clamping seat 2-1 along the conveying direction of the mask base body, wherein the distance between the two groups of first clamping mechanisms is equal to the distance between the two groups of second clamping mechanisms. Like this, ear wire transport module 2 can transfer two ear wires to ear wire clamp and get in carrying module 3 at every turn, and then improves the speed that the ear wire was carried.
Referring to fig. 1 to 13, the ear wire cutting module 4 is configured to cut an ear wire, after a second clamping mechanism in the ear wire clamping and transporting module 3 clamps an ear wire, the ear wire cutting module 4 cuts the ear wire, the ear wire cutting module 4 includes an ear wire cutting mechanism and an ear wire pressing mechanism for pressing the ear wire to be cut to facilitate cutting by the ear wire cutting mechanism, wherein the ear wire pressing mechanism includes a pressing base 4-1, a pressing block 4-2 disposed on the pressing base 4-1, and a pressing cylinder for driving the pressing block 4-2 to move vertically, a groove engaged with the pressing block 4-2 is disposed on the pressing base 4-1 at a position corresponding to the pressing block 4-2, and stepped surfaces 4-4 are formed at two ends of the groove, the ear line passes through the upper part of the stepped surface 4-4; the pressing cylinder drives the pressing block 4-2 to move downwards to press the ear line on the stepped surface 4-4; the ear line shearing mechanisms are two groups, the two groups of ear line shearing mechanisms are respectively positioned between the step surfaces 4-4 at the two sides of the groove and the two groups of first clamping mechanisms, and each group of ear line shearing mechanism comprises scissors 4-5 and a shearing cylinder 4-6 used for driving the scissors 4-5 to do shearing action. In addition, two groups of guide wheels 4-3 are also arranged on the pressing seat 4-1, and each group comprises two guide wheels; for guiding the ear wire.
Through the arrangement, after the ear wire is clamped by the second clamping mechanism on the ear wire clamping and carrying module 3, the pressing cylinder drives the pressing block 4-2 to move vertically to press the ear wire on the stepped surface 4-4, so that the ear wire between the second clamping mechanism and the ear wire pressing mechanism is in a tightening state, and the ear wire shearing mechanism can conveniently shear the ear wire. In addition, a certain distance is arranged between the scissors 4-5 in the ear line cutting mechanism and the pressing block 4-2, so that after the ear line cutting mechanism cuts off the ear line, the ear line is still exposed partially, and the first clamping mechanism in the ear line conveying module 2 is convenient to clamp the ear line.
Referring to fig. 1-13, the two groups of ear wire welding modules 5 are arranged, the two groups of ear wire welding modules 5 are respectively arranged at the upstream position and the downstream position of the ear wire feeding module, each group of ear wire welding modules 5 comprises an ultrasonic welding head 5-1 arranged at the lower end of the mask base body, a movable die 5-2 arranged above the mask base body and a movable die driving mechanism for driving the movable die 5-2 to move vertically so as to press the two ends of the ear wires at the ultrasonic welding head 5-1 to realize ear wire welding, wherein the two groups of movable dies 5-2 are respectively arranged at the two sides of the ultrasonic welding head 5-1, and the two groups of movable dies 5-2 are respectively driven by the two groups of movable die driving mechanisms; the movable die driving mechanism comprises a support frame 5-5, a movable die driving cylinder 5-3 arranged on the support frame 5-5 and a vertical guide mechanism 5-4 used for guiding the vertical movement of the movable die 5-2, wherein the support frame 5-5 is arranged on the rack 1, and a telescopic rod of the movable die driving cylinder 5-3 is connected with the movable die 5-2; the two groups of vertical guide mechanisms 5-4 are respectively arranged at two sides of the movable die driving cylinder 5-3 and are composed of guide rods and guide sleeves. When the ear wire feeding module respectively places two ear wires at welding points on two sides of the mask base body, the movable die drives the air cylinder 5-3 to drive the movable die 5-2 to move downwards, so that two end parts of the ear wires and the mask base body are pressed at the ultrasonic welding joint 5-1 together, and the welding of the ear wires is completed.
Mask base member conveyor 6 in this embodiment adopts the mode that conveying roller carried, through the motor motion of upper and lower complex conveying roller promptly to the realization is carried the mask base member. The specific structure of the mask cutting device 7 in this embodiment can be implemented by using a mask cutting device available on the market, and will not be described in detail here.
Referring to fig. 1 to 13, the operation principle of the flat mask manufacturing apparatus of the present invention is:
when in work, the mask base body conveying device 6 drives the mask base body to move to the ear line welding station and the mask cutting station in sequence to complete two processes of ear line welding and mask cutting, wherein,
the specific process of welding the ear wire comprises the following steps:
firstly, the ear wire conveying module 2 drives the ear wire to move, so that the ear wire passes through the upper part of the mask base body along the direction perpendicular to the conveying direction of the mask base body, at the moment, the two groups of second clamping mechanisms in the ear wire clamping and carrying module 3 are opened, and the ear wire conveying module 2 can drive the ear wire to pass through the clamping ends of the second clamping mechanisms respectively. Subsequently, the second clamping mechanism clamps the ear wire, the ear wire shearing module 4 shears the ear wire, and at the same time, the first clamping mechanism in the ear wire conveying module 2 releases the ear wire, so that the ear wire is transferred to the second clamping mechanism of the ear wire clamping and transporting module 3. Then, rotary driving mechanism drives two second fixture synchronous rotations of organizing together, and rotates opposite direction to drive the ear wire and move the solder joint top in the gauze mask base member, afterwards, vertical actuating mechanism drives second fixture downstream works as when second fixture is close the gauze mask base member, second fixture loosens the ear wire, makes the both ends of ear wire accurately contact with two solder joints on the gauze mask base member, thereby accomplish ear wire material loading work. When the ear wire feeding module respectively places two ear wires at welding points on two sides of the mask base body, the movable die drives the air cylinder 5-3 to drive the movable die 5-2 to move downwards so as to press two end parts of the ear wires and the mask base body together at the ultrasonic welding joint 5-1, and the welding work of the ear wires is completed.
The specific process of cutting the mask is as follows:
mask base member conveyor 6 drives the motion of mask base member for the mask base member that has accomplished ear line welded moves mask cutting device 7 department, mask cutting device 7 cuts the mask base member into independent plane mask.
In the above process, because the ear line welding device 10 is a plurality of sets, therefore, the mask base body stays at each time, the ear line welding of the two sides of a plurality of plane masks can be completed on the mask base body by the plurality of sets of ear line welding devices 10, so that the ear line welding speed and the mask cutting speed can be matched, the mask base body conveying device 6 can drive the mask base body to move a plurality of distances taking the width of the plane masks as a unit, for example, the ear line welding device 10 is five sets, namely, the mask base body stays once, namely, the ear line welding can be completed on the mask base body by five plane masks, after the ear lines are welded, the mask base body conveying device 6 can drive the mask base body to move, the moving distance is the width of five plane masks, and meanwhile, the ear line cutting device 7 can also continuously cut five plane masks, thereby greatly improving the production efficiency of the mask.
The above description is a preferred embodiment of the present invention, but the present invention is not limited to the above description, and any other changes, modifications, substitutions, blocks and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.
Claims (8)
1. A plane mask production device is characterized by comprising a rack, a mask roll feeding device, a preorder processing device, an ear line welding device, a mask cutting device and a mask base body conveying device, wherein the mask roll feeding device is arranged on the rack and used for storing cloth for manufacturing a plane mask; the preorder processing device is used for manufacturing the mask base body from the cloth emitted by the mask coil feeding device; the ear wire welding device is used for welding the ear wire on the mask base body; the mask cutting device is used for cutting the mask base body which is welded with the ear lines into an independent plane mask; the mask base body conveying device is used for drawing the cloth of the mask coil feeding device to move to each processing device; wherein,
the preorder processing device comprises a nose bridge line inserting device and a cloth composite device, wherein the nose bridge line inserting device is used for inserting a nose bridge line; the cloth compounding device is used for compounding the cloth in the mask roll material feeding device;
the ear line welding device and the mask cutting device are sequentially arranged on the frame along the conveying direction of the mask base body; the mask base body conveying device is arranged at two ends of the ear line welding device in the conveying direction of the mask base body and used for drawing the mask base body to move, and comprises a first mask base body conveying device and a second mask base body conveying device, wherein the first mask base body conveying device is positioned at the front end of the ear line welding device, the second mask base body conveying device is positioned at the rear end of the ear line welding device, the first mask base body conveying device comprises a first conveying roller set and a first power mechanism for driving the first conveying roller set to move, and the second mask base body conveying device comprises a second conveying roller set and a second power mechanism for driving the second conveying roller set to move;
the ear wire welding device comprises an ear wire feeding module and an ear wire welding module used for welding the ear wire conveyed by the ear wire feeding module to the mask base body, wherein,
the ear wire feeding module comprises an ear wire conveying module arranged on the frame, an ear wire clamping and carrying module used for clamping and transferring the ear wires conveyed by the ear wire conveying module to welding points of the mask base body and an ear wire shearing module used for shearing the ear wires,
the ear wire conveying module is arranged above the mask base body, is used for driving ear wires to move along a conveying direction vertical to the mask base body, and comprises a clamping seat, a first clamping mechanism arranged on the clamping seat and a clamping conveying mechanism used for driving the clamping seat to move;
the ear wire clamping and carrying module comprises a support, two second clamping mechanisms arranged on the support, a vertical driving mechanism used for driving the second clamping mechanisms to vertically move and a rotary driving mechanism used for driving the second clamping mechanisms to rotate, wherein the number of the second clamping mechanisms is two, the two groups of the second clamping mechanisms are respectively and sequentially arranged on the support along the conveying direction perpendicular to the mask base body, the number of the second clamping mechanisms in each group is two, and the two second clamping mechanisms are respectively and sequentially arranged on the support along the conveying direction of the mask base body; the rotary driving mechanism is used for driving the two second clamping mechanisms in the same group to synchronously and reversely rotate, and the rotating directions of the two second clamping mechanisms in the two groups of second clamping mechanisms for clamping the same ear line are opposite; the vertical driving mechanism is used for driving the second clamping mechanism to move so as to place the ear wire at the position of a welding point in the mask base body;
the ear wire shearing device is used for shearing the ear wire after the second clamping mechanism in the ear wire clamping and conveying device clamps the ear wire;
the ear wire welding modules are arranged in two groups, the two groups of ear wire welding modules are respectively arranged at the upstream position and the downstream position of the ear wire feeding module, and each group of ear wire welding modules comprises an ultrasonic welding head arranged at the lower end of the mask base body, a movable die arranged above the mask base body and a movable die driving mechanism used for driving the movable die to move vertically so as to press the two end parts of the ear wires at the ultrasonic welding head to realize ear wire welding; when two second clamping mechanisms in two sets of second clamping mechanisms for clamping the same ear wire synchronously rotate to send two end parts of the ear wire to the lower part of the movable die, the movable die driving mechanism drives the movable die to move to weld the ear wire on the mask base body.
2. The flat mask production apparatus according to claim 1, wherein the plurality of ear wire welding devices are arranged in a plurality of groups, and the plurality of groups of ear wire welding devices are sequentially arranged on the frame along the transportation direction of the mask base body.
3. The flat mask production apparatus according to claim 1, wherein the two sets of movable dies are respectively disposed on both sides of the ultrasonic welding head, and the two sets of movable dies are respectively driven by two sets of movable die driving mechanisms; the movable die driving mechanism comprises a support frame, a movable die driving cylinder arranged on the support frame and a vertical guide mechanism used for guiding the vertical movement of the movable die, wherein the support frame is arranged on the rack, and a telescopic rod of the movable die driving cylinder is connected with the movable die; the two groups of vertical guide mechanisms are respectively arranged on two sides of the movable die driving cylinder and are composed of guide rods and guide sleeves.
4. The flat mask production equipment according to claim 3, wherein the second clamping mechanisms are connected to the support through rotating shafts, the rotating driving mechanism comprises gears arranged on the rotating shafts, racks meshed with the gears and a linear driving mechanism for driving the racks to move along a direction perpendicular to the conveying direction of the mask base body, wherein the racks are divided into two groups, two sides of each group of racks are provided with straight teeth matched with the gears, and the straight teeth on two sides of each group of racks are respectively meshed with the gears in the two second clamping mechanisms in the same group; the linear driving mechanism is used for driving the two groups of racks to synchronously move oppositely and reversely.
5. The flat mask production apparatus according to claim 4, wherein the linear driving mechanism comprises a motor and a screw transmission mechanism, wherein the motor is mounted on the support, a main shaft of the motor is connected with a screw in the screw transmission mechanism, a length direction of the screw in the screw transmission mechanism is perpendicular to a conveying direction of the mask base body, two sets of screw nuts in the screw transmission mechanism are respectively connected with the two sets of racks, and a screwing direction of threaded holes in the two sets of screw nuts is opposite.
6. The production equipment of the planar mask according to claim 5, wherein the brackets in the ear wire feeding modules of the plurality of groups of ear wire welding devices are connected through a connecting frame, and the vertical driving mechanism is used for driving the connecting frame to move vertically; the vertical driving mechanism is driven by a cylinder or a driving mode of combining a motor and a screw rod transmission mechanism; the vertical driving mechanism also comprises a plurality of groups of vertical guide mechanisms, wherein the plurality of groups of vertical guide mechanisms are respectively arranged at four opposite corners of the connecting frame and are used for guiding the vertical movement of the connecting frame; each group of vertical guide mechanisms adopts a mode of combining a guide rod and a guide sleeve.
7. The flat mask production equipment according to claim 1, wherein the first clamping mechanism comprises a first clamping jaw and a first clamping cylinder for driving the first clamping jaw to move; the clamping and conveying mechanism comprises a clamping and conveying cylinder, the clamping and conveying cylinder is mounted on the rack, and a telescopic rod of the clamping and conveying cylinder is connected with the clamping seat; the clamping and conveying mechanism further comprises two groups of guide mechanisms for guiding the movement of the clamping seat, the two groups of guide mechanisms are respectively arranged on two sides of the clamping and conveying cylinder, each group of guide mechanisms comprises a guide rod arranged on the rack and a guide sleeve or a guide hole arranged on the clamping seat, and the length direction of the guide rod is the same as the movement direction of a telescopic rod of the clamping and conveying cylinder; the guide rod is matched with the guide sleeve or the guide hole; the tail end of the guide rod is provided with a limiting block, and the size of the limiting block is larger than the aperture of the guide sleeve or the guide hole.
8. A production method using the flat mask production apparatus according to any one of claims 1 to 7, comprising the steps of:
(1) the mask roll feeding device conveys cloth for manufacturing the mask forwards, the cloth for manufacturing the mask moves to a mask preorder processing station under the traction of a first mask base body conveying device and a second mask base body conveying device in the mask base body conveying device, and the preorder processing device processes the cloth to manufacture a mask base body;
(2) the first mask base body conveying device and the second mask base body conveying device in the mask base body conveying device continuously pull the manufactured mask base body to move to the ear line welding station, the first mask base body conveying device and the second mask base body conveying device which are positioned on the front side and the rear side of the ear line welding device enable the mask base body positioned between the first mask base body conveying device and the second mask base body conveying device in the mask base body to be in a tightened state, and the tightening degree of each position is the same; then, the ear wire welding device welds the ear wire on the mask base body;
(3) after the ear line welding is finished, the second mask base body conveying device pulls the mask base body which is subjected to the ear line welding to move to the mask cutting station, and the mask cutting device cuts the mask base body into an independent plane mask;
(4) and (4) repeating the steps (1) to (3) to realize the continuous production of the plane mask.
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| CN112429548A (en) * | 2020-12-11 | 2021-03-02 | 帝斯博（常州）医疗用品股份有限公司 | Mask linear transmission mechanism |
| CN114803589A (en) * | 2021-01-21 | 2022-07-29 | 上工富怡智能制造(天津)有限公司 | Order-adjusting clamping mechanism of high-speed mask machine |
| CN113519925B (en) * | 2021-06-21 | 2023-08-22 | 浙江润泰自动化科技有限公司 | Protective clothing production method |
| CN113519924B (en) * | 2021-06-21 | 2023-08-25 | 浙江润泰自动化科技有限公司 | Protective clothing production facility |
| CN114103128B (en) * | 2021-11-15 | 2024-05-24 | 南昌翔翊医疗器械有限公司 | Mask air filter assembly and preparation method thereof |
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